bootstrapP
Interface BackupperInterface

All Known Implementing Classes:

FileBackupper

public interface BackupperInterface

This interface represents a general backupper, witch may be a file backupper, a remote backupper, a RAID-like backupper, or any other kind of service to permanently store datas.

Author:

Marco Cornolti

Method Summary

void	backupMs(ManagedMessageServer ms) Backup a single server data.
void	backupUser(RegisteredUser reg) Backup a single user data.
void	backupWholeData(java.util.List<RegisteredUser> rUsers, java.util.List<ManagedMessageServer> mMss) Backups the whole data given by argument replacing completely the previous backups.
void	removeBackuppedMs(ManagedMessageServer ms) Remove a server contained in the backup.
void	removeBackuppedUser(RegisteredUser reg) Remove a user contained in the backup.
int	restoreData(java.util.List<RegisteredUser> restoredUsers, java.util.List<ManagedMessageServer> restoredMss)

Method Detail

backupWholeData

void backupWholeData(java.util.List<RegisteredUser> rUsers,
                     java.util.List<ManagedMessageServer> mMss)
                     throws java.io.IOException

Backups the whole data given by argument replacing completely the previous backups.

Parameters:

rUsers - the list of registered users to backup.

mMss - the list of managed message servers to backup.

Throws:

java.io.IOException - if an Input/Output problem occurred.

restoreData

int restoreData(java.util.List<RegisteredUser> restoredUsers,
                java.util.List<ManagedMessageServer> restoredMss)
                throws java.io.IOException,
                       java.lang.ClassNotFoundException,
                       java.io.InvalidClassException,
                       java.io.StreamCorruptedException,
                       java.io.OptionalDataException,
                       java.lang.IllegalArgumentException

Parameters:

restoredUsers - a list where the restored users data must be copied to.

restoredMss - a list where the restored servers data must be copied to.

Returns:

the number of read datas (message servers + users).

Throws:

java.io.IOException - if an Input/Output problem occurred.

java.lang.ClassNotFoundException - if a version compatibility problem occurred.

java.io.InvalidClassException - if a version compatibility problem occurred.

java.io.StreamCorruptedException - if the input stream could not be read.

java.io.OptionalDataException - if the backupped datas were not expected.

java.lang.IllegalArgumentException - if the lists given by argument are null or not empty.

backupUser

void backupUser(RegisteredUser reg)
                throws java.io.IOException,
                       java.io.FileNotFoundException

Backup a single user data.

Parameters:

reg - the user whose data must be backupped.

Throws:

java.io.IOException - if an error occured while writing.

java.io.FileNotFoundException

backupMs

void backupMs(ManagedMessageServer ms)
              throws java.io.IOException

Backup a single server data.

Parameters:

ms - the server whose data must be backupped.

Throws:

java.io.IOException - if an error occured while writing.

removeBackuppedUser

void removeBackuppedUser(RegisteredUser reg)
                         throws java.io.IOException

Remove a user contained in the backup.

Parameters:

reg - the user to remove.

Throws:

java.io.IOException - if an InputOutput exception occurred.

removeBackuppedMs

void removeBackuppedMs(ManagedMessageServer ms)
                       throws java.io.IOException

Remove a server contained in the backup.

Parameters:

ms - the server to remove.

Throws:

java.io.IOException - if an InputOutput exception occurred.